Lamp device and luminaire

摘要

According to one embodiment, a lamp device (14) includes a light-emitting module (23) including a semiconductor light-emitting element (56a), a lighting circuit (25) to light the semiconductor light-emitting element (56a), and a housing (21) to house the light-emitting module (23) and the lighting circuit (25). The housing (21) includes a case (28) including a holder part (43) to hold the light-emitting module (23), and a cap member (29) fixed to the case (28) by a fixing unit (48). The light-emitting module (23) is sandwiched and fixed between the holder part (43) and the cap member (29).